Population By Race and Ethnicity in Marshall County, IA in 2021

Updated on August 1, 2024.

Based on the US Census Vintage data estimates, in 2021, the 39,913 population of Marshall County, Iowa comprised of 9,466 people who identified as Hispanic (23.72%), and 30,447 people who identified as Non-Hispanic (76.28%).

Race: The White Alone population was the largest racial group in Marshall County, Iowa with a population of 36,118 (90.49%); Asian Alone population was the second largest racial group with a population of 1,583 (3.97%); and Black or African American Alone was the third largest racial group with a population of 989 (2.48%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Marshall County, Iowa in 2021, with a population of 27,280 (68.35%); the second largest ethnic group was White Alone - Hispanic with a population of 8,838 (22.14%); and the third largest ethnic group was Asian Alone - Non Hispanic with a population of 1,536 (3.85%).

The charts and tables below shows the population and percentage of each racial and ethnicity group in Marshall, Iowa.

You can find similar information for other Iowa counties, and for Iowa.

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Hispanics and Non Hispanics in Marshall County, IA in 2021
Total Population:
Race in Marshall County, IA in 2021
Total Population:
Ethnicity in Marshall County, IA in 2021
Total Population:
Population By Race in Marshall , IA in 2021
Race Population Percentage
Black or African American Alone 989 2.48%
White Alone 36,118 90.49%
American Indian and Alaska Native Alone 376 0.94%
Asian Alone 1,583 3.97%
Native Hawaiian And Pacific Islander Alone 75 0.19%
Two Or More Races 772 1.93%
Population By Ethnicity in Marshall , IA in 2021
Ethnicity Population Percentage
Black or African American Alone - Hispanic 162 0.41%
White Alone - Hispanic 8,838 22.14%
American Indian and Alaska Native Alone - Hispanic 216 0.54%
Asian Alone - Hispanic 47 0.12%
Native Hawaiian And Pacific Islander Alone - Hispanic 15 0.04%
Two Or More Races - Hispanic 188 0.47%
Black or African American Alone - Non Hispanic 827 2.07%
White Alone - Non Hispanic 27,280 68.35%
American Indian and Alaska Native Alone - Non Hispanic 160 0.4%
Asian Alone - Non Hispanic 1,536 3.85%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 60 0.15%
Two Or More Races - Non Hispanic 584 1.46%